10 results
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Condyle Knee Extension ... #SpinalCord #Injury ... #differential #diagnosis ... #Neurology #Spine
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
) Reflexes: ... spared in this injury ... Anterior Shoulder Dislocation ... #neurology #sensory ... #motor #arm #physicalexam
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... bearing after injury ... fracture - Patellar dislocation ... #differential #diagnosis ... #msk #physicalexam
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Fracture • Hip dislocation ... Valgus position of knee ... symptoms #signs #diagnosis ... #msk
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Elbow and Hip) - Diagnosis ... of arm M – Medial ... of dash board injury ... Bigelow method: FLEX ... Affected hip and knee
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
ligaments (prevent radial ... Hyperextension injury ... , due to EDS and ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
radiocapitellar lines), fat pads ... radioulnar joint injury ... , elbow dislocation ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... Neurologic deficit ... vascular imaging or serial ... Neurologic injuries ... #Injury #msk #clinical
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... : • Knee - L2 ... Medical Emergency ... #neurology #sensory ... #motor #leg #physicalexam
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
- MSK Radiology ... of the knee ... Differential diagnosis ... #patella #knee ... #msk